"Having kids is something we want, but it's finding that window and we haven't quite found that yet," he said at an event for the armed forces' charity, Rugby for Heroes.

Tindall's comments came as William, 30, spoke about the interrupted nights on his horizon when the baby comes along. When William and brother Harry opened a wounded warriors' recovery center run by the charity Help for Heroes, the prince was handed a teddy bear and a onesie with the motif "My Daddy Is A Hero" on it.